Question

COULD SOMEONE PLEASEE HELP ME, I'm stuck
Part A: Explain why we do not measure the speed at which a car travels in cm per second? In your explanation, use reasoning based on appropriate units to model this situation.

Part B: What are the two quantities that should be measured to find the speed at which a car travels? Explain how the rate can be determined.

Answer 1

What would you say if you were driving and your friend asked you, "what speed are we traveling at?"

Answer 2

Lets say you answer "30 miles per hour" because that is a common speed

Answer 3

What RULE do you use to answer this?

Answer 4

RULE: conversion of units

Answer 5

SPECIFIC RULE #1: Converting miles to meters to centimeters

SPECIFIC RULE #2: Converting hours to seconds

Answer 6

MORE SPECIFIC RULE #1:
Use the conversions 1 mile =1609 meters & 1 meter=100 centimeters

MORE SPECIFIC RULE #2:
Use the conversions 1 hour=60 min & 1 min=60 seconds

Answer 7

Part B:

RULE: Rate (speed) = ___/____ -->you fill in the blanks-you know this equation!!

Answer 8

what will I have to put in the blanks ?

Answer 9

distance/ time